Chinese Optics Letters, 2013, 11 (7): 070603, Published Online: Jul. 4, 2013
Flat-top optical frequency comb generation based on optical fiber-loop modulation with external injection Download: 661次
060.5060 Phase modulation 060.5625 Radio frequency photonics 060.0060 Fiber optics and optical communications 230.2090 Electro-optical devices
Abstract
An optical frequency comb generation scheme using time-to-frequency conversion and optical fiber-loop modulation is proposed and demonstrated experimentally. Flat-top optical pulse train from an intensity modulator is injected into a fiber loop, which includes a phase modulator and an amplifier and is cyclically modulated by the phase modulator, to generate abundant optical comb lines. A total of 110 comb lines with 3-dB spectral power variation and 10-GHz frequency spacing are obtained. The proposed scheme is relatively simple and uses only one intensity modulator and one phase modulator.
Yujie Dou, Hongming Zhang, Yang Wang, Minyu Yao. Flat-top optical frequency comb generation based on optical fiber-loop modulation with external injection[J]. Chinese Optics Letters, 2013, 11(7): 070603.